chemical locations captured in Noctua do not render in GO-CAM-viz

[ValWood]

For example

http://noctua.geneontology.org/workbench/noctua-visual-pathway-editor/?model_id=gomodel%3A67086be200000251

Displays

but the models are difficult to interpret without the locations.

[ValWood]

cc @kimrutherford

[ValWood]

@sjm41
@Antonialock
@hattrill
@PCarme

[ValWood]

They appear in the side menu:

but it isn't clear which location belongs to the gene entity and which belongs to the chemical (in the case of a transporter the input chemical, and output chemicals will have different locations to the protein)